package com.atguigu.study.controller;

import dev.langchain4j.model.chat.ChatModel;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author Magic
 * @version 1.0-SNAPSHOT
 * @date 2025/07/13
 */
@RestController
@Slf4j
public class HelloLangChain4JController {

    // http://localhost:9001/langchain4j/hello?prompt=如何学java

    @Resource
    private ChatModel chatModel;

    @GetMapping(value = "langchain4j/hello")
    public String hello(@RequestParam(value = "question", defaultValue = "你是谁") String question) {

        String result = chatModel.chat(question);

        System.out.println("调用大模型回复: " + result);

        return result;
    }

}